Compositions: coating or plastic – Coating or plastic compositions – Molds and mold coating compositions
Patent
1987-10-23
1989-03-07
Morris, Theodore
Compositions: coating or plastic
Coating or plastic compositions
Molds and mold coating compositions
106209, 1061972, C08L 100, C08L 126
Patent
active
048102954
ABSTRACT:
The present invention provides an impression composition of the alginate type which comprises (a) an alginate, (b) calcium sulfate and/or lead silicate, and (c) a filler as its main components and which is characterized in that the alginate component comprises in combination an alginate having a distribution of molecular weights in a lower range and an alginate having a distribution of molecular weights in a higher range.
REFERENCES:
patent: 2568752 (1951-09-01), Lochridge
patent: 2657971 (1953-11-01), Lochridge
Higashihata Yoshihide
Inomata Minako
Nagano Torahiko
Nishioka Takashi
Saito Jouji
Daikin Industries Ltd.
Morris Theodore
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